all: 
	echo "Please specify a rule"

dist:
	(cd opt; make dist)

clean:
	(cd arch; make clean)
	(cd asm; make clean)
	(cd conc; make clean)
	(cd data; make clean)
	(cd ecf; make clean)
	(cd error; make clean)
	(cd intro; make clean)
	(cd io; make clean)
	(cd link; make clean)
	(cd mem; make clean)
	(cd netp; make clean)
	(cd opt; make clean)
	(cd perf; make clean)
	(cd src; make clean)
	(cd vm; make clean)
